http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Gold-bearing polymetallic veins and replacement deposits
Gold bearing polymetallic veins and replacement deposits
1 online resource (2 unnumbered volumes) : illustrations, maps.
Title from title screen (viewed Aug. 20, 2014).
Geology and resources of gold in the United States ; ch. C, F
U.S. Geological Survey bulletin ; 1857-C, F